Corner mount sign holder



FIG. 1 is a front perspective view of a corner mount sign holder showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof, with a bottom plan view being a mirror image thereof; and,

FIG. 5 is a left end elevational view thereof, with a right end elevational view being a mirror image thereof. 

CLAIM The ornamental design for a corner mount sign holder, as shown and described. 